<script setup lang="ts">
import { ref } from "vue";

const color1 = ref("red");
const changeColor = () => {
  color1.value = "blue";
};
</script>

<template>
  <div class="park-building-page">park-building</div>

  <input v-focus type="text" />
  <div v-color="color1">你好，北京</div>
  <button @click="changeColor">修改颜色</button>
</template>

<style lang="scss" scoped></style>
